Home / 28,003,500.90-42,005,251.35-25,027,431.30

Finding the Fourth Proportional to 28,003,500.90, 42,005,251.35 and 25,027,431.30

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Solution

The fourth proportional to 28,003,500.90, 42,005,251.35 and 25,027,431.30 is: 37,541,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,500.90 : 42,005,251.35 = 25,027,431.30 : x
  2. Step 2: Convert to fraction form
    28,003,500.90/42,005,251.35 = 25,027,431.30/x
  3. Step 3: Cross multiply
    28,003,500.90x = 42,005,251.35 × 25,027,431.30
  4. Step 4: Simplify right side
    28,003,500.90x = 1,051,283,542,401,357.38
  5. Step 5: Solve for x
    x = 1,051,283,542,401,357.38/28,003,500.90
  6. Step 6: Final answer
    x = 37,541,146.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.